Finishes problem 7.

Prepares problem 8.

Small update of .gitignore to avoid temp files

.gitignore

@@ -1,2 +1,2 @@
 *.pyc
-
+*.sw*

e_7.py

@@ -12,16 +12,23 @@
 """ 
 def prime_list(value):
     """
-    Returns the vlst prime number
+    Returns the value of the 10001st prime number
     """
+    prime_list = [2] 
+    curr_val = 3
+    ptr = False
+    while( len(prime_list) < value):
+        for primes in prime_list:
+            if (curr_val % primes == 0):
+                ptr = True # multiple of at least one value
+        if not ptr:
+            prime_list.append(curr_val)
 
-    return 1
-
-
-
+        curr_val +=1
+        ptr = False
 
+    return prime_list[-1]
 
 if __name__ == '__main__':
     val = 10001
     print "Answer : %d " % (prime_list(val))
-

e_8.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python 
+"""
+#---
+ Julien Lengrand-Lambert
+ Created on : Wed Jan 11 14:42:54 CET 2012
+
+ DESCRIPTION : Solves problem 8 of Project Euler
+Find the greatest product of five consecutive digits in the 1000-digit number.
+73167176531330624919225119674426574742355349194934
+96983520312774506326239578318016984801869478851843
+85861560789112949495459501737958331952853208805511
+12540698747158523863050715693290963295227443043557
+66896648950445244523161731856403098711121722383113
+62229893423380308135336276614282806444486645238749
+30358907296290491560440772390713810515859307960866
+70172427121883998797908792274921901699720888093776
+65727333001053367881220235421809751254540594752243
+52584907711670556013604839586446706324415722155397
+53697817977846174064955149290862569321978468622482
+83972241375657056057490261407972968652414535100474
+82166370484403199890008895243450658541227588666881
+16427171479924442928230863465674813919123162824586
+17866458359124566529476545682848912883142607690042
+24219022671055626321111109370544217506941658960408
+07198403850962455444362981230987879927244284909188
+84580156166097919133875499200524063689912560717606
+05886116467109405077541002256983155200055935729725
+71636269561882670428252483600823257530420752963450
+#---
+""" 
+def greatest_product(data):
+    """
+    Returns the greatest product of five consecutive digits in the input data.
+    """
+    cons_list = []
+    # print list of 5 consecutive digits
+    for j in range(len(data) - 4):
+        suite = data[j:j+5]
+        if is_consecutive(suite):
+            cons_list.append(suite)
+
+    return 1
+
+def is_consecutive(suite):
+    """
+    Returns true if values in suite are consecutive and False otherwise
+    """
+    cons = True
+    for k in range(len(suite) - 1):
+        if ((int(suite[k]) + 1) != int(suite[k + 1])):
+            cons = False
+    return cons
+
+if __name__ == '__main__':
+    # really bad way to present it
+    data = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450"
+
+    #print data
+    print "Answer : %d " % (greatest_product(data))